Home / 119,135.39-178,777.08-74,244.83

Finding the Fourth Proportional to 119,135.39, 178,777.08 and 74,244.83

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Solution

The fourth proportional to 119,135.39, 178,777.08 and 74,244.83 is: 111,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.39 : 178,777.08 = 74,244.83 : x
  2. Step 2: Convert to fraction form
    119,135.39/178,777.08 = 74,244.83/x
  3. Step 3: Cross multiply
    119,135.39x = 178,777.08 × 74,244.83
  4. Step 4: Simplify right side
    119,135.39x = 13,273,273,018.61
  5. Step 5: Solve for x
    x = 13,273,273,018.61/119,135.39
  6. Step 6: Final answer
    x = 111,413.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.